# Dsetup.dll missing during installation

**URL:** <https://forums.unrealengine.com/t/dsetup-dll-missing-during-installation/456530>\
**Category:** Getting Started & Setup\
**Tags:** dll, unreal-engine, dll-missing, Installation, question\
**Created:** [October 6, 2019, 9:49pm UTC](https://forums.unrealengine.com/t/dsetup-dll-missing-during-installation/456530 "2019-10-06T21:49:13Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![anonymous\_user\_b7d99689](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@anonymous\_user\_b7d99689](https://forums.unrealengine.com/u/anonymous_user_b7d99689)\
**Post date:** [October 6, 2019, 9:49pm UTC](https://forums.unrealengine.com/t/dsetup-dll-missing-during-installation/456530/1 "2019-10-06T21:49:13Z")

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I’m trying to install the Epic Games Installer to later install Unreal Engine 4 on Windows 10 on my data drive (D:/) because my main one (C:/) is nearly full (I don’t know if it is of any importance). When I run the installer, I get the error “Unable to find dsetup.dll”. I tried to run the installer as an administrator but it didn’t work. I have DirectX 12 installed.

How can I do?

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<div class="post-metadata">

**Author:** ![anonymous\_user\_b7d99689](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@anonymous\_user\_b7d99689](https://forums.unrealengine.com/u/anonymous_user_b7d99689)\
**Post date:** [October 8, 2019, 12:40pm UTC](https://forums.unrealengine.com/t/dsetup-dll-missing-during-installation/456530/2 "2019-10-08T12:40:41Z")

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Here is how I fixed it:

My first attempt was to take one of the DSETUP.dll in the installation folder of one of my Steam games and place it both in C:\Windows\System32 and C:\Windows\SysWOW64. But while it removed the DLL error, another error remained:

> There is a problem with this Windows Installer package. A program run as part of the setup did not finish as expected. Contact your support personnel or package vendor.

I followed [this answer](https://answers.unrealengine.com/questions/769788/cant-install-epic-games-launcher-windows-error-172.html) and entered:

`msiexec /i "C:\UnrealEngineInstaller.msi" SKIP_DIRECTX="1"`